14 #include <sys/eventfd.h> 24 #include <linux/vhost.h> 25 #include <linux/virtio_ring.h> 27 #define RTE_VHOST_USER_CLIENT (1ULL << 0) 28 #define RTE_VHOST_USER_NO_RECONNECT (1ULL << 1) 29 #define RTE_VHOST_USER_DEQUEUE_ZERO_COPY (1ULL << 2) 30 #define RTE_VHOST_USER_IOMMU_SUPPORT (1ULL << 3) 37 uint64_t guest_phys_addr;
38 uint64_t guest_user_addr;
39 uint64_t host_user_addr;
54 struct rte_vhost_vring {
55 struct vring_desc *desc;
56 struct vring_avail *avail;
57 struct vring_used *used;
58 uint64_t log_guest_addr;
84 int (*new_connection)(
int vid);
85 void (*destroy_connection)(
int vid);
106 for (i = 0; i < mem->nregions; i++) {
107 reg = &mem->regions[i];
108 if (gpa >= reg->guest_phys_addr &&
109 gpa < reg->guest_phys_addr + reg->size) {
110 return gpa - reg->guest_phys_addr +
118 #define RTE_VHOST_NEED_LOG(features) ((features) & (1ULL << VHOST_F_LOG_ALL)) 159 uint64_t offset, uint64_t len);
161 int rte_vhost_enable_guest_notification(
int vid, uint16_t queue_id,
int enable);
170 int rte_vhost_driver_unregister(
const char *path);
240 int rte_vhost_driver_callback_register(
const char *path,
359 struct rte_mbuf **pkts, uint16_t count);
410 struct rte_vhost_vring *vring);
int rte_vhost_driver_start(const char *path)
#define __rte_always_inline
int rte_vhost_driver_register(const char *path, uint64_t flags)
uint16_t rte_vhost_avail_entries(int vid, uint16_t queue_id)
int rte_vhost_driver_disable_features(const char *path, uint64_t features)
void rte_vhost_log_used_vring(int vid, uint16_t vring_idx, uint64_t offset, uint64_t len)
int rte_vhost_get_vhost_vring(int vid, uint16_t vring_idx, struct rte_vhost_vring *vring)
uint16_t rte_vhost_enqueue_burst(int vid, uint16_t queue_id, struct rte_mbuf **pkts, uint16_t count)
__rte_deprecated uint32_t rte_vhost_get_queue_num(int vid)
int rte_vhost_get_mtu(int vid, uint16_t *mtu)
void(* destroy_device)(int vid)
uint16_t rte_vhost_get_vring_num(int vid)
int rte_vhost_get_numa_node(int vid)
int(* features_changed)(int vid, uint64_t features)
int rte_vhost_get_mem_table(int vid, struct rte_vhost_memory **mem)
int rte_vhost_vring_call(int vid, uint16_t vring_idx)
int rte_vhost_get_negotiated_features(int vid, uint64_t *features)
uint32_t rte_vhost_rx_queue_count(int vid, uint16_t qid)
int(* new_device)(int vid)
static __rte_always_inline uint64_t rte_vhost_gpa_to_vva(struct rte_vhost_memory *mem, uint64_t gpa)
uint16_t rte_vhost_dequeue_burst(int vid, uint16_t queue_id, struct rte_mempool *mbuf_pool, struct rte_mbuf **pkts, uint16_t count)
int rte_vhost_driver_get_features(const char *path, uint64_t *features)
int rte_vhost_driver_set_features(const char *path, uint64_t features)
int(* vring_state_changed)(int vid, uint16_t queue_id, int enable)
int rte_vhost_get_ifname(int vid, char *buf, size_t len)
int rte_vhost_driver_enable_features(const char *path, uint64_t features)
void rte_vhost_log_write(int vid, uint64_t addr, uint64_t len)